Grain-door for freight-cars.



Patented Mar. 2, 1909.

3 SHEETS-SHEET 1.

v fin/wmf? v E PossoN GRAIN DOOR PoR FREIGHT CARS.

APPLICATION FILED DEO-13, 1907. 91 3,763.l

W/wff's: y

dwf ,17775 E. POSSON.

GRAIN DOOR FOR FREIGHT GARS.

APPLICATION HLBD DEO. 1a, 1907.

913,763. Patented Mar. 2, 1909.

3 SHEETS-SHEET 2.

"Hull 'ill rn: NoRRls PETA-Rs ca.. WASHINGTON. n cv E PossoN GRAIN DOOR FORIEEIGHT GARS.

APPLICATION FILED DIJOl 13 1907 91 3,763.l Patented Mar. .2, 1909.

3 SHEETS-SHEET 8.

EDWARD POSSON, `OF CHICAGO, ILLINOIS.

GRAIN-DOR FOR FREIGIIT- CARS.

Specification of Letters Patent.

Patented March 2, 1909.

Application filed. December 13, 1907. Serial No. 406,298.

To all 'whom it may concern.'

Be it known that I, EDWARD PossoN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Grain -Doors for F reight-Cars, of which the following is a specification.

The object of my invention is to construct an improved tight tit-ting door adapted to hold grain and withstand the pressure thereof.

Further objects are to so construct such a door that it can be conveniently opened under working conditions and can be so positioned when desired as to leave the doorway entirely unobstructed.

These and various other objects will be made apparent in the following specification and cla-im in connection with the appended drawings `in which- Figure l is an outside elevation of my improved grain door in closed position. Fig. 2 is an inside elevation of the same. Fig. 3 is a vertical transverse section taken on the line 3, 3 of Fig. 1, looking in the direction of the arrow. Fig. 4t is a similar section taken on the line 4, 4t, looking in the direction o;t` the arrows. Fig. 5 is a horizontal section taken on the line 5, 5 of Fig. 1, looking in the direction of the arrows. Fig. 6 is a perspective View showing the central portion of the door sill and neighboring parts. Fig. 7 is a perspective view of a supporting hook that will be described hereinafter.

The door opening is bounded on either side by the door posts 16, the inner face of each post having a groove 17 in which the vertical rod 17 stands. The lower end 18 of this rod is flattened and bolted to the post 16 by means of the bolts 19, and the upper end projects through a bracket 20 which is fastened to the side wall of the car by means of the bolt 21. The nut 22 on the end of the rod 17 secures it in place. About midway of the height of the rod 17 there is an additional supporting bracket 23 bolted to the post 16. The reference numeral 24t indicates one of the two doors. This door has its edge bent to form upper and lower sleeves 25 and 26, which surround the rod 17. Thus the rod 17 and the sleeves 25 and 26 form a 17. On the inner face of the door at its lower edge there is attached an angle-iron 27.

A sheet metal sill plate 29 rests on the edge oil the floor 2S outside oil the door, the latter being adapted to rest against said sill when closed, or to swing inwardly away therefrom when opened. A groove 30 is cut in the `floor 2S under the sill plate 29, as indicated in Fig. (l. A support 31 is bolted to the root' frame member 32 at the center of the top oi the door opening, and the hanger 33 engages said support by means of an eye in the end thereof. This hanger has riveted to it an angle iron Set, which at its lower end has one tlange cut away, as indicated by the reference numeral while the other flange 3G is bent at right angles to form a hook or toe adapted to drop down into the groove 30 under the sill plate 29. At one side of the door, near the top thereof, there is an L-shaped hook 37 adapted to support the angle iron 34 in a horizontal position, as indica-ted in dotted lines in Fig. 2.

My improved construction as above described is designed for the purpose of securing a tight closure with the minimum amount or' interference with the use of the car for purposes other than transporting grain. rlhe doors are constructed of thin metal sheets and are securely supported at their hinged edges and by the angle iron 34 at their meeting edges. The mode of suspension ot the angle iron 34, the means for engaging its 'tree end beneath the sill plate, the hook for suspending the angle iron 234 in elevated position, together with the thickness of the metal doors, all contribute to secure a compact structure which will present the minimum amount of interference with the use ot the car for purposes other than transporting grain, and at the same time provide a strong and tight closure against the escape oil grain when the car is nsed for transporting that material.

Near the bottom of each door there is an opening 23S adapted to be closed by the outwardly swinging door 38, which is supported by the hinges 39. On each side of the door opening are attached clips 40 and on the door are opposed clips 11, through which the bolts 42 are adapted to slide. Attheir inner ends these bolts 4t2 are pivoted to a rocking beam 43, the latter being pivoted on the door at the point 4A. In the position shown in Fig. 1 the bolts 42 lock the door in closed position. When it is desired to release it, the proj eoting end L5 of the rocking beam 43 can be struelr with a hammer or other heavy object so as to swing it to the left and this will withdraw the bolts from the clips e() and permit the auxiliary door to open. Above the auxiliary door 38 there is a handle 46 by which the main door 24 may be raised and swung inwardly.

Assuming that the doors are Closed, as shown in the drawings, and that the ear is filled with grain the auxiliary doors 88 may be opened from the outside of the ear and then the grain will run out through them. Then all the grain has run out that can escape through these auxiliary doors, then each of the main doors can be first raised from the outside by means of the handle 46, and then swung inwardly 180 degrees against the side wall of the oar. When both doors 24 have been opened in this way the angle iron brace can be pushed inwardly at the bottoni end so as to remove the toe 36 from under the sill 29. he joint between the members 3l and is purposely made with a slight play so that vthe angle iron can be lifted vertieally far enough for the toe 3G to clear the slot 30. Then the angle iron 34: can be swung up to one side and hooked over the hook 3T above the door opening.

It will be observed that the angle iron 3% forms a secure rase to support the edges or" the doors 24 against the pressure of the grain from within, but that when the doors are opened sait swung out of the way so as not to obstruct t e deo-r opening. lt'ven though the grain hay lie on the floor of the oar and may be piled Linst the side walls on either side or the t or opening, when all the grain has escaped that will naturally run out through the openings Bt* the doors canv readily be swung open. This is due to the fact that they can rst be raised by sliding the sleeves 25 and vertically along the rods 17 so that the bottom edges or" the doors shall lClear the floor by a wide margin.-

l claim:

En a oar provided with a door opening, a sheet metal door, a floor, door posts, hinge rods extending throughout the length of door posts, eyelets on said doors embracing said rods, a rod suspended above said door opening', the lower end of said rod oonstituting a toe turned outward at a right angle, a hoolr above and at the side of the door opening, and a sill plate extending across the door opening, the floor being grooved beneath the center of said sill plate,

and the suspension of said rod permitting it to swing longitudinally and transversely of the car to engage and disengage said hook and the eroove beneath the sill late.

Elfi/WARD POSSON.

l'ilitnesses Y1 nnr'rrrn LiLLrAN M. A NDEnsoN, limer.

angle iron can readily be 

